Sample preparation saw



FIG. 1 is a front, right hand side perspective view of a sample preparation saw embodying the principles of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a side view thereof as seen from the right hand side of FIG. 2;

FIG. 5 is a side view thereof as seen from the left hand side of FIG. 2;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

Portions of the sample preparation saw in FIGS. 6 and 7 are shown in phantom lines and form no part of the claimed design. 

CLAIM The ornamental design for sample preparation saw, as shown and described. 